La Plata Population

1890–2026

12,425

2026 projection

22.3% since 2020 (increase)

02K4K6K8K10K12K14K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for La Plata. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202612,425+2882.37%
202512,137+7726.79%
202411,365+5094.69%
202310,856+2121.99%
202210,644+2472.38%
202110,397+2382.34%
202010,159+1441.44%
201910,015+2202.25%
20189,795+1481.53%
20179,647+1321.39%

Showing 10 of 28 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

La Plata is growing faster than Charles County, Maryland, and the U.S.

  • La Plata+18.9%
  • Charles County+5.9%
  • United States+3.1%
  • Maryland+1.4%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

La Plata Demographics

41.7median age

Median age

Female44.7 yrs
Male38.8 yrs

Adults

8,569
1,871 seniors (65+) · 22% of adults6,698 other adults

Sex

Female 51.1% · 5,456Male 48.9% · 5,227

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 107 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

La Plata Income

$121,208median household income

Median household income

$121,208

Half of households earn more, half earn less

Median earnings

$74,786

Typical yearly pay for a worker 25 or older.

Poverty rate

6.6%

About 1 in 15 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

La Plata Marital Status

42% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married42%45%40%
Never married34%34%33%
Divorced13%13%14%
Widowed9%6%12%
Separated2%3%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201